titre

ti·ter also ti·tre   (tī'tər)    n.   Concentration of a substance in solution or the strength of such a substance determined by titration. The minimum volume needed to cause a particular result in titration. [French titre, from Old French title, title; see title.]

Main Entry: ti·ter
Pronunciation: 'tIt-&r
Variant: or chiefly British ti·tre /'tI-t&r also 'tE-/
Function:noun
1 a : the strength of a solution or the concentration of a substance in solution as determined by titration b : the dilution of a serum containing aspecific antibody at which the solution just retains a specific activity (as neutralizing or precipitating an antigen) which it loses at any greater dilution titer of 1:1024>
2 : the solidifying point of the fatty acids liberated from a fat that is determined by melting the acids in a tube and noting the temperatureat which they solidify again on cooling —ti·tered /-&rd/ adjective

titer ti·ter or ti·tre (tī'tər)
n.

1. The concentration of a substance in solution or the strength of such a substance determined by titration.

2. The minimum volume needed to cause a particular result in titration.

3. The dilution of a serum containing a specific antibody at which the solution retains the minimum level of activity needed to neutralize or precipitate an antigen.